Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670409 | Method of fabricating a semiconductor IC DRAM device enjoying enhanced focus margin | Hiroshi Otori, Kazuhiko Kajigaya, Kazuyuki Miyazawa, Masaharu Kubo, Atsuyoshi Koike | 1997-09-23 |